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L6219DS Datasheet

  • L6219DS

  • STEPPER MOTOR DRIVER

  • 1496.26KB

  • 9頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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廬
L6219
STEPPER MOTOR DRIVER
ABLE TO DRIVE BOTH WINDINGS OF BIPO-
LAR STEPPER MOTOR
OUTPUT CURRENT UP TO 750mA EACH
WINDING
WIDE VOLTAGE RANGE 10V TO 46V
HALF-STEP, FULL-STEP AND MICROSTEPP-
ING MODE
BUILT-IN PROTECTION DIODES
INTERNAL PWM CURRENT CONTROL
LOW OUTPUT SATURATION VOLTAGE
DESIGNED FOR UNSTABILIZED MOTOR
SUPPLY VOLTAGE
INTERNAL THERMAL SHUTDOWN
DESCRIPTION
The L6219 is a bipolar monolithic integrated cir-
cuits intended to control and drive both winding of
a bipolar stepper motor or bidirectionally control
two DC motors.
The L6219 with a few external components form
a complete control and drive circuit for LS-TTL or
microprocessor controlled stepper motor system.
The power stage is a dual full bridge capable of
sustaining 46V and including four diodes for cur-
rent recirculation.
A cross conduction protection is provided to avoid
BLOCK DIAGRAM
Powerdip 20+2+2
SO20+2+2
ORDERING NUMBERS:
L6219
L6219DS
simultaneous cross conduction during switching
current direction.
An internal pulse-width-modulation (PWM) con-
trols the output current to 750mA with peak start-
up current up to 1A.
Wide range of current control from 750mA (each
bridge) is permitted by means of two logic inputs
and an external voltage reference. A phase input to
each bridge determines the load current direction.
A thermal protection circuitry disables the outputs
if the chip temperature exceeds safe operating
limits.
October 2001
1/9

L6219DS 產(chǎn)品屬性

  • 31

  • 集成電路 (IC)

  • PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動(dòng)器

  • -

  • 直流電機(jī)驅(qū)動(dòng)器，步進(jìn)電機(jī)驅(qū)動(dòng)器

  • -

  • 2/1

  • ±750mA

  • 10 V ~ 45 V

  • 4.75 V ~ 5.25 V

  • -20°C ~ 85°C

  • 表面貼裝

  • 24-SOIC（0.295"，7.50mm 寬）

  • 24-SO

  • 管件

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